protected void OnClickInternal(UIMouseEventArgs e)
{
if (!Enabled)
{
return;
}
var menuId = RegisteredFunction.Invoke <string>("BlazorContextMenu.MenuItem.GetMenuId", MenuItemElement);
var menu = BlazorContextMenuHandler.GetMenu(menuId);
var contextMenuTarget = menu.GetTarget();
var args = new MenuItemClickEventArgs(e, menuId, contextMenuTarget, MenuItemElement, this);
if (Click != null)
{
Click(args);
if (!args.IsCanceled)
{
BlazorContextMenuHandler.HideMenu(menuId);
}
}
else if (ClickAsync != null)
{
ClickAsync(args).ContinueWith((t) =>
{
if (!args.IsCanceled)
{
BlazorContextMenuHandler.HideMenu(menuId);
}
});
}
}
/// <summary>
/// Zoom map to a feature layer's extent. If its SR is different than the base map's, re-project the extent
/// </summary>
private void MenuItemZoomTo_Click(object sender, MenuItemClickEventArgs e)
{
HideConextMenu();
if (e.ItemTag is LivingMapLayer)
{
LivingMapLayer mapConfig = e.ItemTag as LivingMapLayer;
Envelope extent = this.MapControl.Layers[mapConfig.ID].FullExtent;
if (!SpatialReference.AreEqual(extent.SpatialReference, this.MapControl.SpatialReference, false))
{
GeometryTool.ProjectEnvelope(this.AppConfig.GeometryService, extent, this.MapSRWKID, (s, g) =>
{
if (g.ProjectedGeometry != null)
{
this.MapControl.ZoomTo(g.ProjectedGeometry);
}
});
}
else
{
this.MapControl.ZoomTo(extent);
}
}
else if (e.ItemTag is TOCNodeInfo)
{
TOCNodeInfo nodeInfo = e.ItemTag as TOCNodeInfo;
if (nodeInfo.LayerExtent == null)
{
this.IsBusy = true;
Layer layer = this.MapControl.Layers[nodeInfo.MapID];
string layerUrl = (nodeInfo.IsTiledMap) ? (layer as ArcGISTiledMapServiceLayer).Url : (layer as ArcGISDynamicMapServiceLayer).Url;
ArcGISLayerInfoReader layerInfoReader = new ArcGISLayerInfoReader(layerUrl + "/" + nodeInfo.LayerID);
layerInfoReader.InfoReady += (obj, arg) =>
{
if (!SpatialReference.AreEqual(arg.LayerInfo.Extent.SpatialReference, this.MapControl.SpatialReference, false))
{
GeometryTool.ProjectEnvelope(this.AppConfig.GeometryService, arg.LayerInfo.Extent, this.MapSRWKID, (s, g) =>
{
this.IsBusy = false;
if (g.ProjectedGeometry != null)
{
nodeInfo.LayerExtent = g.ProjectedGeometry as Envelope;
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
});
}
else
{
this.IsBusy = false;
nodeInfo.LayerExtent = nodeInfo.LayerExtent = arg.LayerInfo.Extent;
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
};
}
else
{
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
}
}
private void WidgetMenuItem_Click(object sender, MenuItemClickEventArgs e)
{
if (sender is ContextMenuItem)
{
string title = (sender as ContextMenuItem).Text;
WidgetBase widget = WidgetManager.FindWidgetByTitle(title);
if (widget != null)
{
widget.IsOpen = true;
}
}
}
/// <summary>
/// Toggle the Visibilities of a Group of Layers
/// </summary>
private void MenuItemToggleGroup_Click(object sender, MenuItemClickEventArgs e)
{
if (e.ItemTag is TreeViewItem)
{
bool show = (sender == MenuItemShowAll);
TreeViewItem treeItem = e.ItemTag as TreeViewItem;
ToggleChildNodes(treeItem, show);
string mapID = "";
bool isMapNode = false;
TreeViewItem mapLayerNode = null;
if (treeItem.Tag is LivingMapLayer)
{
mapID = (treeItem.Tag as LivingMapLayer).ID;
mapLayerNode = treeItem;
isMapNode = true;
}
else if (treeItem.Tag is TOCNodeInfo)
{
mapID = (treeItem.Tag as TOCNodeInfo).MapID;
mapLayerNode = GetMapLayerNode(treeItem);
}
if (treeItem.Header is CheckBox)
{
(treeItem.Header as CheckBox).IsChecked = show;
}
else if (treeItem.Header is RadioButton)
{
(treeItem.Header as RadioButton).IsChecked = show;
}
if (mapID != "")
{
ArcGISDynamicMapServiceLayer dynamicMap = this.MapControl.Layers[mapID] as ArcGISDynamicMapServiceLayer;
int[] oldVisibles = (int[])dynamicMap.VisibleLayers.Clone();
List <int> layerIDs = new List <int>();
GetVisibleLayerIDs(mapLayerNode, layerIDs);
dynamicMap.VisibleLayers = layerIDs.ToArray();
if (isMapNode)
{
dynamicMap.Visible = show;
}
EventCenter.DispatchMapLayerVisibilityChangeEvent(this, new MapLayerVisibilityChangeEventArgs(dynamicMap, oldVisibles));
}
HideConextMenu();
}
}
private void LinkMenuButton_MenuItemClick(object sender, MenuItemClickEventArgs e)
{
string sUrl = (string)e.ItemTag;
if (!string.IsNullOrEmpty(sUrl))
{
if (sUrl.Equals("About"))
{
if (AboutWindow == null)
{
AboutWindow = new PopupWindow()
{
Title = "About", Background = this.Background, ShowArrow = false, IsResizable = false, IsFloatable = true
};
StackPanel aboutContent = new StackPanel()
{
Orientation = Orientation.Vertical, Margin = new Thickness(12, 12, 12, 12)
};
AboutWindow.Content = aboutContent;
string[] contentLines = Regex.Split(AppConfig.AppHelpMenu.About.Text, @"\\n");
for (int i = 0; i < contentLines.Length; i++)
{
if (contentLines[i].Trim().StartsWith("http://", StringComparison.CurrentCultureIgnoreCase))
{
HyperlinkButton linkBlock = new HyperlinkButton()
{
NavigateUri = new Uri(contentLines[i].Trim(), UriKind.Absolute), Content = contentLines[i].Trim(), Margin = new Thickness(2), FontSize = 12.5, Foreground = new SolidColorBrush(Colors.Blue), HorizontalAlignment = System.Windows.HorizontalAlignment.Center, TargetName = "_blank"
};
aboutContent.Children.Add(linkBlock);
}
else
{
TextBlock textBlock = new TextBlock()
{
Text = contentLines[i].Trim(), Margin = new Thickness(2), FontSize = 12.5, HorizontalAlignment = System.Windows.HorizontalAlignment.Center
};
aboutContent.Children.Add(textBlock);
}
}
}
FloatingPopup.Show(AboutWindow);
}
else
{
try
{
System.Windows.Browser.HtmlPopupWindowOptions winOptions = new System.Windows.Browser.HtmlPopupWindowOptions()
{
Resizeable = true, Width = 1000, Height = 800
};
System.Windows.Browser.HtmlWindow win = System.Windows.Browser.HtmlPage.PopupWindow(new Uri(sUrl, UriKind.Absolute), "_blank", winOptions);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
